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Discontinued Operations - Financial Information for Discontinued Operations (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Discontinued Operations And Disposal Groups [Abstract] |  |
Net Sales | $ 59 | $ 89
Operating loss from discontinued operations | (3) | (11)
Impairment of assets | (10) |
Loss on disposal of discontinued operations, net |  | (1)
Loss before income tax | (13) | (12)
Income tax benefit | (4) | (3)
Loss from discontinued operations | $ (9) | $ (9)

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